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Note 12 - Employee Benefit Plans (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
  

Three Months Ended September 30,

  

Nine Months Ended September 30,

  
  

2020

  

2019

  

2020

  

2019

 

Income Statement Location

(Amounts in thousands)

                 

Service cost

 $77  $80  $232  $240 

Salaries and employee benefits

Interest cost

  88   101   266   303 

Other expense

Amortization of prior service cost

  51   65   151   193 

Other expense

Amortization of losses

  46   5   139   16 

Other expense

Net periodic cost

 $262  $251  $788  $752